Nature is unsentimental. Death is built in.
CARL SAGANBooks break the shackles of time, proof that humans can work magic.
More Carl Sagan Quotes
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A galaxy is composed of gas and dust and stars – billions upon billions of stars. Every star may be a sun to someone.
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I consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we are to solve our problems ourselves.
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Your god is too small for my universe.
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Science is a way to not fool ourselves.
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The absence of evidence is not evidence of absence.
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All over the world there are enormous numbers of smart, even gifted, people who harbor a passion for science.
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We are like butterflies who flutter for a day and think it is forever.
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What an astonishing thing a book is.
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We are star stuff harvesting sunlight.
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The Earth is the only world known so far to harbor life.
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The universe seems neither benign nor hostile, merely indifferent.
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Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.
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We can judge our progress by the courage of our questions and the depth of our answers, our willingness to embrace what is true rather than what feels good.
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For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.
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I would suggest that science is, at least in my part, informed worship.
CARL SAGAN